diff --git a/gnu/usr.bin/groff/Makefile.cfg b/gnu/usr.bin/groff/Makefile.cfg
index 6ebc6a578c04..3b3e522e3e29 100644
--- a/gnu/usr.bin/groff/Makefile.cfg
+++ b/gnu/usr.bin/groff/Makefile.cfg
@@ -1,4 +1,4 @@
-#	$Id: Makefile.cfg,v 2.5 1997/03/11 17:57:26 peter Exp $
+#	$Id: Makefile.cfg,v 2.6 1998/03/20 11:08:52 bde Exp $
 
 BINDIR?=	/usr/bin
 SHELL=		/bin/sh
@@ -88,6 +88,7 @@ DEFINES=	-DHAVE_UNISTD_H=1\
 INCLUDES=	-I$(GROFF_DIST)/include
 
 CFLAGS+=$(DEFINES) $(INCLUDES)
+CXXFLAGS+= -fno-rtti -fno-exceptions
 
 .y.o:
 	$(YACC) $(YFLAGS) $(.IMPSRC)